Home / 25,708.08-38,543.90-9,899.95

Finding the Fourth Proportional to 25,708.08, 38,543.90 and 9,899.95

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Solution

The fourth proportional to 25,708.08, 38,543.90 and 9,899.95 is: 14,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.08 : 38,543.90 = 9,899.95 : x
  2. Step 2: Convert to fraction form
    25,708.08/38,543.90 = 9,899.95/x
  3. Step 3: Cross multiply
    25,708.08x = 38,543.90 × 9,899.95
  4. Step 4: Simplify right side
    25,708.08x = 381,582,556.50
  5. Step 5: Solve for x
    x = 381,582,556.50/25,708.08
  6. Step 6: Final answer
    x = 14,842.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.